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KATS项目 KATS25O020 = AT 2025sqd = TCP J17403825-1947348 ? Microlensing Event

Internal name KATS25O020
RA/DEC (2000) 17 40 38.25 -19 47 34.8
Discovery date (UT) 2025-07-29.68460
Discovery Mag 17.35CV
Host name Oph
Host Redshift
Type
Redshift
Other name/s AT 2025sqd
TCP J17403825-1947348
ZTF25abcwqmi
References Discovery image taken around 2025 Jul. 29.68460 UT at N86 PanSTARRS-1 Image
Reporter/s Ziyang Mai, Jianlin Xu, Mi Zhang, Guoyou Sun, Jiangao Ruan, Jingyuan Zhao, Wenjie Zhou, Yong Ma, Ye, Zhuoyang Chen (Xingming Obs.), Hanjie Tan (AUUK), Guangwei Wu (NAAA), Xing Gao, Ali Esamdin, Chunhai Bai, Yong Wang (XAO), on behalf of the KATS team
Remarks Microlensing Event candidate classified by XOSS. Details can be found at https://xjltp.china-vo.org/kats25o020.html
Discovery report We report the discovery of a possible Microlensing Event (17.35+-0.19CV). Discovery was made on several 60-s survey images (limiting mag about 19.5) taken by Xing Gao around 2025 Jul. 29.68460 UT in the course of the KATS survey of Xinjiang Astronomical Observatory.
Comments
KATS25O020 C2025 07 23.70971 17 40 38.26 -19 47 34.5 >18.5CV N86
KATS25O020 C2025 07 29.68460 17 40 38.25 -19 47 34.8 17.35+-0.19CV N86